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Check Digit Verification of cas no

The CAS Registry Mumber 141764-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141764-72:
(8*1)+(7*4)+(6*1)+(5*7)+(4*6)+(3*4)+(2*7)+(1*2)=129
129 % 10 = 9
So 141764-72-9 is a valid CAS Registry Number.

141764-72-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name	methyl 3-oxo-2-(2-(phenylsulfinyl)ethyl)pentanoate

1.2 Other means of identification

Product number	-
Other names	-

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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141764-72-9Relevant articles and documents

Unsaturated Sulfoxides in Organic Synthesis: A New General Furan Synthesis

Chan, Wing Hong,Lee, Albert W. M.,Chan, Eddy T. T.

, p. 945 - 946 (2007/10/02)

Furans have been efficiently synthesised by a three-step reaction sequence.Michael addition of keto esters to alkenyl sulfoxides followed by Pummerer rearrangement afforded the cyclic intermediates 11 in good yield.Treatment of the latter with 3-chloroperoxybenzoic acid led by oxidation and syn-elimination of the corresponding sulfoxide, to substituted furans.

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CAS

141764-72-9